CATHARTIC

cathartic. Cathartic, n. a purgative medicine

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{ Ca‐thar″tic (?), Ca‐thar″ic‐al (?), } a. [[Gr. �, fr. � to cleanse, fr. � pure; akin to F. chaste.]] 1. 1. (Med.) Cleansing the bowels; promoting evacuations by stool; purgative.
2. 2. Of or pertaining to the purgative principle of senna, as cathartic acid.